Does Our Sweat Send Secret Messages to Others?

2/4/2013 1:17PM

Scientists are investigating the role of sweat in the way we function. WSJ's Sumathi Reddy joins Lunch Break with a look at the latest research, and new products for Americans suffering from excessive perspiration. Photo: Steve Gschmeissner/Science Source.

This transcript has been automatically generated and may not be 100% accurate.

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